How to avoid weird topology with shrink-wrap when trying to retopologize really high mesh
The problem was as the i suspect, the topology was tooo high and messy
I find a good way to solve this problems, just decimate the mesh and then use this videos to get a better topology in just minutes for the shrink-wrap 
https://www.youtube.com/watch?v=HBiR262Wdfc&amp;ab_channel=GrantAbbitt